20157484815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{1733}}^1$

素因数の和:2153

約数の個数: 96

約数和(自身を含む): 38400747840

約数和(自身を除く): 18243263025

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 337, 531, 585, 767, 885, 1011, 1685, 1733, 2301, 2655, 3033, 3835, 4381, 5055, 5199, 6903, 8665, 11505, 13143, 15165, 15597, 19883, 21905, 22529, 25995, 34515, 39429, 59649, 65715, 67587, 77985, 99415, 102247, 112645, 178947, 197145, 202761, 258479, 298245, 306741, 337935, 511235, 584021, 775437, 894735, 920223, 1013805, 1292395, 1329211, 1533705, 1752063, 2326311, 2920105, 3877185, 3987633, 4601115, 5256189, 6646055, 7592273, 8760315, 11631555, 11962899, 19938165, 22776819, 26280945, 34457239, 37961365, 59814495, 68330457, 103371717, 113884095, 172286195, 310115151, 341652285, 447944107, 516858585, 1343832321, 1550575755, 2239720535, 4031496963, 6719161605, 20157484815]

約数ペア:

[(1, 20157484815), (3, 6719161605), (5, 4031496963), (9, 2239720535), (13, 1550575755), (15, 1343832321), (39, 516858585), (45, 447944107), (59, 341652285), (65, 310115151), (117, 172286195), (177, 113884095), (195, 103371717), (295, 68330457), (337, 59814495), (531, 37961365), (585, 34457239), (767, 26280945), (885, 22776819), (1011, 19938165), (1685, 11962899), (1733, 11631555), (2301, 8760315), (2655, 7592273), (3033, 6646055), (3835, 5256189), (4381, 4601115), (5055, 3987633), (5199, 3877185), (6903, 2920105), (8665, 2326311), (11505, 1752063), (13143, 1533705), (15165, 1329211), (15597, 1292395), (19883, 1013805), (21905, 920223), (22529, 894735), (25995, 775437), (34515, 584021), (39429, 511235), (59649, 337935), (65715, 306741), (67587, 298245), (77985, 258479), (99415, 202761), (102247, 197145), (112645, 178947)]